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Ubuntu Security Notice USN-6028-1

Ubuntu Security Notice 6028-1 - It was discovered that lixml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash.

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Ubuntu Security Notice USN-6028-1
April 19, 2023

libxml2 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:

  • libxml2: GNOME XML library

Details:

It was discovered that lixml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2023-28484)

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a crash.
(CVE-2023-29469)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
libxml2 2.9.14+dfsg-1ubuntu0.2
libxml2-utils 2.9.14+dfsg-1ubuntu0.2

Ubuntu 22.04 LTS:
libxml2 2.9.13+dfsg-1ubuntu0.3
libxml2-utils 2.9.13+dfsg-1ubuntu0.3

Ubuntu 20.04 LTS:
libxml2 2.9.10+dfsg-5ubuntu0.20.04.6
libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.6

Ubuntu 18.04 LTS:
libxml2 2.9.4+dfsg1-6.1ubuntu1.9
libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.9

Ubuntu 16.04 ESM:
libxml2 2.9.3+dfsg1-1ubuntu0.7+esm5
libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm5

Ubuntu 14.04 ESM:
libxml2 2.9.1+dfsg1-3ubuntu4.13+esm5
libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm5

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6028-1
CVE-2023-28484, CVE-2023-29469

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.14+dfsg-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.3
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.6
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.9

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